Home / 2,720,424.17-4,080,128.72-1,100,768.55

Finding the Fourth Proportional to 2,720,424.17, 4,080,128.72 and 1,100,768.55

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Solution

The fourth proportional to 2,720,424.17, 4,080,128.72 and 1,100,768.55 is: 1,650,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,424.17 : 4,080,128.72 = 1,100,768.55 : x
  2. Step 2: Convert to fraction form
    2,720,424.17/4,080,128.72 = 1,100,768.55/x
  3. Step 3: Cross multiply
    2,720,424.17x = 4,080,128.72 × 1,100,768.55
  4. Step 4: Simplify right side
    2,720,424.17x = 4,491,277,369,423.91
  5. Step 5: Solve for x
    x = 4,491,277,369,423.91/2,720,424.17
  6. Step 6: Final answer
    x = 1,650,947.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.